Nov 30 15:46:20.637 INFO checking serde-xml-rs-0.2.1 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 15:46:20.637 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 15:46:21.061 INFO [stdout] 762aa3829c88db1e24378ef584cd095b57c5fac40c2313d49e8275b00b292021
Nov 30 15:46:21.068 INFO running `"docker" "start" "-a" "762aa3829c88db1e24378ef584cd095b57c5fac40c2313d49e8275b00b292021"`
Nov 30 15:46:22.085 INFO [stderr] usermod: no changes
Nov 30 15:46:22.172 INFO [stderr]     Checking serde-xml-rs v0.2.1 (/source)
Nov 30 15:46:23.472 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:46:23.472 INFO [stderr]   --> src/serialize.rs:89:23
Nov 30 15:46:23.472 INFO [stderr]    |
Nov 30 15:46:23.472 INFO [stderr] 89 |     fn serialize_bool(mut self, v: bool) -> Result<Self::Ok, Self::Error> {
Nov 30 15:46:23.472 INFO [stderr]    |                       ----^^^^
Nov 30 15:46:23.472 INFO [stderr]    |                       |
Nov 30 15:46:23.472 INFO [stderr]    |                       help: remove this `mut`
Nov 30 15:46:23.472 INFO [stderr]    |
Nov 30 15:46:23.472 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 15:46:23.472 INFO [stderr] 
Nov 30 15:46:23.748 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:46:23.748 INFO [stderr]   --> src/serialize.rs:89:23
Nov 30 15:46:23.748 INFO [stderr]    |
Nov 30 15:46:23.748 INFO [stderr] 89 |     fn serialize_bool(mut self, v: bool) -> Result<Self::Ok, Self::Error> {
Nov 30 15:46:23.749 INFO [stderr]    |                       ----^^^^
Nov 30 15:46:23.749 INFO [stderr]    |                       |
Nov 30 15:46:23.749 INFO [stderr]    |                       help: remove this `mut`
Nov 30 15:46:23.749 INFO [stderr]    |
Nov 30 15:46:23.749 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 15:46:23.749 INFO [stderr] 
Nov 30 15:46:27.766 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.65s
Nov 30 15:46:27.776 INFO [stderr] su: No module specific data is present
Nov 30 15:46:28.704 INFO running `"docker" "inspect" "762aa3829c88db1e24378ef584cd095b57c5fac40c2313d49e8275b00b292021"`
Nov 30 15:46:28.996 INFO running `"docker" "rm" "-f" "762aa3829c88db1e24378ef584cd095b57c5fac40c2313d49e8275b00b292021"`
Nov 30 15:46:29.252 INFO [stdout] 762aa3829c88db1e24378ef584cd095b57c5fac40c2313d49e8275b00b292021